WO2010064004A3 - Procédé de réalisation d'une authentification entre des noeuds de réseau - Google Patents

Procédé de réalisation d'une authentification entre des noeuds de réseau Download PDF

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Publication number
WO2010064004A3
WO2010064004A3 PCT/GB2009/002802 GB2009002802W WO2010064004A3 WO 2010064004 A3 WO2010064004 A3 WO 2010064004A3 GB 2009002802 W GB2009002802 W GB 2009002802W WO 2010064004 A3 WO2010064004 A3 WO 2010064004A3
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WO
WIPO (PCT)
Prior art keywords
nodes
shared
network
authentication
network nodes
Prior art date
Application number
PCT/GB2009/002802
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English (en)
Other versions
WO2010064004A2 (fr
Inventor
Simon Robert Wiseman
Original Assignee
Qinetiq Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qinetiq Limited filed Critical Qinetiq Limited
Priority to EP09775243.0A priority Critical patent/EP2366232B1/fr
Priority to US13/130,897 priority patent/US8762728B2/en
Publication of WO2010064004A2 publication Critical patent/WO2010064004A2/fr
Publication of WO2010064004A3 publication Critical patent/WO2010064004A3/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/321—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving a third party or a trusted authority
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0852—Quantum cryptography
    • H04L9/0855—Quantum cryptography involving additional nodes, e.g. quantum relays, repeaters, intermediate nodes or remote nodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Communication System (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

L'invention concerne un procédé d'authentification entre un premier nœud (QNodeX) et un deuxième nœud (QNodeY) de réseau dans un réseau approprié pour la mise en œuvre d'une cryptographie quantique comprenant les étapes dans lesquelles les premier et deuxième nœuds génèrent chacun un hachage cryptographique ([MXY]AI, [MYX]AJ) d'un message ([MXY], [MYX]) à l'aide de clés d'authentification respectives (AI, AJ) partagées avec un troisième nœud de réseau (QNodeW). Les messages peuvent être échangés entre les premier et deuxième nœuds pendant l'accord d'une clé quantique à utiliser entre les nœuds. Une clé d'authentification à partager par les premier et deuxième nœuds peut être établie à l'aide de la clé quantique. L'invention autorise donc une clé d'authentification à être établie et partagée entre les premier et deuxième nœuds de réseau sans intervention physique directe. Les réseaux ayant des nombres importants de nœuds de réseau peuvent être recalculés en termes de clés suite au remplacement ou à la maintenance d'un nœud de réseau beaucoup plus rapidement et facilement que lorsque le recalcul de clés est réalisé par la production physique de clés d'authentification partagées.
PCT/GB2009/002802 2008-12-05 2009-12-02 Procédé de réalisation d'une authentification entre des noeuds de réseau WO2010064004A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09775243.0A EP2366232B1 (fr) 2008-12-05 2009-12-02 Procédé de réalisation d'une authentification entre des noeuds de réseau
US13/130,897 US8762728B2 (en) 2008-12-05 2009-12-02 Method of performing authentication between network nodes

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US12018108P 2008-12-05 2008-12-05
GBGB0822254.9A GB0822254D0 (en) 2008-12-05 2008-12-05 Method of performing authentication between network nodes
GB0822254.9 2008-12-05
US61/120,181 2008-12-05

Publications (2)

Publication Number Publication Date
WO2010064004A2 WO2010064004A2 (fr) 2010-06-10
WO2010064004A3 true WO2010064004A3 (fr) 2010-11-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2009/002802 WO2010064004A2 (fr) 2008-12-05 2009-12-02 Procédé de réalisation d'une authentification entre des noeuds de réseau

Country Status (4)

Country Link
US (1) US8762728B2 (fr)
EP (1) EP2366232B1 (fr)
GB (1) GB0822254D0 (fr)
WO (1) WO2010064004A2 (fr)

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US20110231665A1 (en) 2011-09-22
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